From last night to the early morning of today, some areas of Xianning were hit by torrential rain, which caused waterlogging disasters.
After the water recedes, the spread of disease may occur if the flooded houses are not disinfected effectively, as human and animal feces, various garbage, animal carcasses and various debris may be mixed with human and animal feces, various garbage, animal carcasses and various debris.
A thorough cleaning is a critical first step
Sludge and various dirt will affect the effectiveness of disinfection. Therefore, before the implementation of disinfection, the most important thing to do is to open doors and windows, ventilate and ventilate, wash the walls and floors in the order from top to bottom and from inside to outside, clean and wipe all kinds of contaminated items such as furniture, household appliances, dining utensils, clothes, etc., renovate family toilets, repair livestock sheds, comprehensively clean the courtyard and surrounding environment, and completely remove silt, garbage and other dirt.
Highly absorbent items such as carpets are difficult to wash and dry thoroughly after a flood, so consider discarding them. In addition, food, beverages, medicines, etc., which have been exposed to floods and mud and have damaged packaging, cannot be cleaned and disinfected, and it is also recommended to dispose of them.
Image source: Qianku.com
Mold is not a small harm to health, and attention should be paid to remove it thoroughly before disinfection. Smooth hard walls: use a shovel to remove and wipe clean with soap and water; Rough surfaces such as concrete: Remove with a stiff bristle brush and wipe clean with soap and water. When performing mold removal operations, it is advisable to wear gloves, masks and protective glasses, and open windows for ventilation.
Second, choose the appropriate disinfection method
1. Drinking water disinfection
If the water supply has not been restored, try to drink bottled water, and in the absence of bottled water, boiling is the easiest and most effective way to disinfect. In addition, tanks, buckets, basins and other water-containing utensils should be disinfected frequently, and 250mg/L~500mg/L chlorine-containing disinfectant (commonly used 84 disinfectant, chlorine-containing effervescent tablets, etc.) or 100~200mg/L chlorine dioxide disinfectant should be soaked for 10 minutes, and it should be washed with clean water after disinfection.
Image source: Seeking Elements
2. Disinfection of dining utensils
After cleaning, boiling disinfection is the first choice, and the boiling time should be more than 15 minutes; You can also use 250mg/L~500mg/L chlorine-containing disinfectant or 100~200mg/L chlorine dioxide disinfectant to soak for 10 minutes, and rinse with clean water after soaking.
3. Disinfection of clothes
After the clothes are cleaned, they need to be exposed to the sun for more than 4 hours, and they can also be disinfected with special disinfectants for clothes according to the method of use of the product.
Image source: Qianku.com
4. Disinfection of electrical appliances
After the power is off, wipe it with disinfectant wipes containing hydrogen peroxide or ethanol (alcohol).
5 furniture, sanitary ware and
Disinfection of other daily necessities
It can be rinsed with 500mg/L chlorine-containing disinfectant or 200mg/L chlorine dioxide disinfectant, or soaked for 10 minutes, or wiped for disinfection, and the corrosive items can be wiped with disinfectant wipes or 1000mg/L quaternary ammonium disinfectant. The disinfection effect is sufficient and then wipe clean with water after sufficient time.
6. Disinfection of melons, fruits and vegetables
Try to choose to eat unflooded melons, fruits and vegetables, if the conditions are limited and you really need to eat flooded fresh fruits and vegetables, you can use 100~200mg/L chlorine-containing disinfectant to soak for 20~30 minutes after cleaning, and then rinse with water after disinfection. Food that has been soaked in flood water or spoiled should be disposed of promptly. Restorable foods should be fully heated before consumption.
Image source: Seeking Elements
7. Disinfection of floors and walls
It can be sprayed and wiped with 500mg/L chlorine-containing disinfectant (or 200mg/L chlorine dioxide disinfectant, 1000mg/L quaternary ammonium salt disinfectant), and then wiped with water after 10 minutes. If it is contaminated with feces, animal carcasses, and putrid substances, the concentration of disinfectant should be increased appropriately.
8. Vehicle disinfection
If there is no water in the car, you only need to wash the car regularly to clean it. If water enters the car, or if the air conditioning system is polluted due to wading in water, it is necessary to disinfect the car. Wash seat cushions, foot cushions, luggage cushions, etc. contaminated by stagnant water and place them in the sun to dry; Replace cabin air filter cartridges; Open the windows, front hood, and trunk lid for ventilation on sunny days; Or wipe the contaminated part with a chlorine-containing disinfectant solution of 250~500mg/L, and wipe it again with water after half an hour. Pay attention to the bleaching effect of chlorine-containing disinfectant on leather and fabric, and you can also use 1000mg/L quaternary ammonium salt disinfectant or disinfectant wipes containing hydrogen peroxide and alcohol for wipe and disinfection.
9. Hand and skin disinfection
Hand disinfection should be carried out after participating in the cleaning and disinfection of the post-disaster environment and handling of animal carcasses, and effective hand sanitizers or iodophor can be used to fully rub hands. If the skin is red, swollen or damaged due to prolonged exposure to floodwater, after cleaning the wading area, apply iodophor or other skin disinfectant for disinfection, or seek medical attention in time.
Image source: Qianku.com
10. Disinfection of animal carcasses
The fresh animal carcasses cleared out in the environmental cleanup should be buried or cremated as soon as possible, and the animal carcasses that have been smelly can be sprayed with a chlorine-containing disinfectant solution of 5000mg/L~10000mg/L of effective chlorine to remove the odor and disinfect, and then buried or cremated. After the corpse is cleaned up, it needs to be disinfected, and it can be sprayed with a chlorine-containing disinfectant solution of effective chlorine 1000mg/L~2000mg/L, and the action time is 30 minutes ~ 60 minutes. Animal carcasses must be buried in a place designated by the local government, and must not be buried indiscriminately.
3. Commonly used disinfectant preparation methods
1. Take the 84 disinfectant commonly used in the family (the effective chlorine content is mostly 5%) as an example: 1 mineral water bottle cap is about 10ml, 1 mineral water bottle is about 500ml, and 500mg/L chlorine-containing disinfectant should be prepared, then the 84 disinfectant of 1 bottle cap and 2 bottles of mineral water bottle should be fully mixed and used. Other concentrations are detailed in the table below:
2. Chlorine-containing effervescent tablets (1g/tablet, the available chlorine content is mostly about 45%), the preparation method is as follows:
Fourth, precautions
1. Before using disinfectants, you should carefully check the instructions for use of the product, wear masks and gloves for personal protection, and should not prepare and use high-concentration disinfectants at will.
2. All kinds of external disinfectants should not be taken orally, and should be stored in a cool and dry place to avoid children's contact. If the original product label of the disinfectant has been damaged or used in separate packaging, it should be marked as a disinfectant on the outer packaging (bottle body) to avoid misuse and misuse.
3. Chlorine-containing disinfectants, chlorine dioxide disinfectants, peracetic acid disinfectants, etc. are corrosive and irritating, and should be cleaned and wiped again with clean water after disinfection to remove the residual disinfectant.
4. Chlorine-containing disinfectants and chlorine dioxide disinfectants have a bleaching effect, and colored fabrics should be used with caution.
5. Chlorine-containing disinfectant is a strong oxidizing agent, which should not be in contact with flammable materials, should be kept away from fire sources, and cannot be mixed with acidic products such as toilet cleaners. Alcohol is flammable and explosive, so it should not be stored in large quantities at home, cannot be used for large-scale disinfection, and should be kept away from high-heat areas such as fire sources when used.
6. If the disinfectant accidentally splashes into the eyes or sprays on the skin, it should be rinsed with water immediately, and in severe cases, medical attention should be sought in time; If the disinfectant is ingested by mistake, oral milk, rice porridge, etc. can be taken to protect the mucosa of the gastrointestinal tract, and seek medical attention in time.
Source: Xianning released a WeChat public account transferred from Health Xianning and Guangxi Disease Control
Editor: Shi Lili
Review: Chen Xiaobin Producer: Zhu Fengjin
Producer: Xianning Daily Network Media Center